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24C04 Datasheet (HTML) - STMicroelectronics

Part No. 24C04
Description  4 Kbit Serial I2C Bus EEPROM with User-Defined Block Write Protection
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST24C04, ST25C04
ST24W04, ST25W04
4 Kbit Serial I
2C Bus EEPROM
with User-Defined Block Write Protection
February 1999
1/16
AI00851E
2
E1-E2
SDA
VCC
ST24x04
ST25x04
MODE/WC*
SCL
VSS
PRE
Figure 1. Logic Diagram
1 MILLION ERASE/WRITE CYCLES with
40 YEARS DATA RETENTION
SINGLE SUPPLY VOLTAGE:
– 3V to 5.5V for ST24x04 versions
– 2.5V to 5.5V for ST25x04 versions
HARDWARE WRITE CONTROL VERSIONS:
ST24W04 and ST25W04
PROGRAMMABLE WRITE PROTECTION
TWO WIRE SERIAL INTERFACE, FULLY I2C
BUS COMPATIBLE
BYTE and MULTIBYTE WRITE (up to 4
BYTES)
PAGE WRITE (up to 8 BYTES)
BYTE, RANDOM and SEQUENTIAL READ
MODES
SELF TIMED PROGRAMMING CYCLE
AUTOMATIC ADDRESS INCREMENTING
ENHANCED ESD/LATCH UP
PERFORMANCES
DESCRIPTION
This specification covers a range of 4 Kbits I2C bus
EEPROM products, the ST24/25C04 and the
ST24/25W04. In the text, products are referred to
as ST24/25x04, where "x" is: "C" for Standard
version and "W" for hardware Write Control ver-
sion.
PRE
Write Protect Enable
E1-E2
Chip Enable Inputs
SDA
Serial Data Address Input/Output
SCL
Serial Clock
MODE
Multibyte/Page Write Mode
(C version)
WC
Write Control (W version)
VCC
Supply Voltage
VSS
Ground
Table 1. Signal Names
8
1
SO8 (M)
150mil Width
8
1
PSDIP8 (B)
0.25mm Frame
Note: WC signal is only available for ST24/25W04 products.



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